/**
 * Created by jiangcheng on 2017/11/16.
 */
define(function(require,exports,module){
    //创建tree menu
    var treeMenu = function () {

        // IE mode
        var isRTL = false;
        var isIE8 = false;
        var isIE9 = false;
        var isIE10 = false;

        var sidebarWidth = 225;
        var sidebarCollapsedWidth = 35;

        var responsiveHandlers = [];

        // theme layout color set
        var layoutColorCodes = {
            'blue': '#4b8df8',
            'red': '#e02222',
            'green': '#35aa47',
            'purple': '#852b99',
            'grey': '#555555',
            'light-grey': '#fafafa',
            'yellow': '#ffb848'
        };

        var handleInit = function() {

            if ($('body').css('direction') === 'rtl') {
                isRTL = true;
            }

            isIE8 = !! navigator.userAgent.match(/MSIE 8.0/);
            isIE9 = !! navigator.userAgent.match(/MSIE 9.0/);
            isIE10 = !! navigator.userAgent.match(/MSIE 10/);

            if (isIE10) {
                jQuery('html').addClass('ie10'); // detect IE10 version
            }
        }

        var handleDesktopTabletContents = function () {
            // loops all page elements with "responsive" class and applies classes for tablet mode
            // For metornic  1280px or less set as tablet mode to display the content properly
            if ($(window).width() <= 1280 || $('body').hasClass('page-boxed')) {
                $(".responsive").each(function () {
                    var forTablet = $(this).attr('data-tablet');
                    var forDesktop = $(this).attr('data-desktop');
                    if (forTablet) {
                        $(this).removeClass(forDesktop);
                        $(this).addClass(forTablet);
                    }
                });
            }

            // loops all page elements with "responsive" class and applied classes for desktop mode
            // For metornic  higher 1280px set as desktop mode to display the content properly
            if ($(window).width() > 1280 && $('body').hasClass('page-boxed') === false) {
                $(".responsive").each(function () {
                    var forTablet = $(this).attr('data-tablet');
                    var forDesktop = $(this).attr('data-desktop');
                    if (forTablet) {
                        $(this).removeClass(forTablet);
                        $(this).addClass(forDesktop);
                    }
                });
            }
        }

        var handleSidebarState = function () {
            // remove sidebar toggler if window width smaller than 900(for table and phone mode)
            if ($(window).width() < 980) {
                $('body').removeClass("page-sidebar-closed");
            }
        }

        var runResponsiveHandlers = function () {
            // reinitialize other subscribed elements
            for (var i in responsiveHandlers) {
                var each = responsiveHandlers[i];
                each.call();
            }
        }

        var handleResponsive = function () {
            handleTooltips();
            handleSidebarState();
            handleDesktopTabletContents();
            handleSidebarAndContentHeight();
            handleChoosenSelect();
            handleFixedSidebar();
            runResponsiveHandlers();
        }

        var handleResponsiveOnInit = function () {
            handleSidebarState();
            handleDesktopTabletContents();
            handleSidebarAndContentHeight();
        }

        var handleResponsiveOnResize = function () {
            var resize;
            if (isIE8) {
                var currheight;
                $(window).resize(function() {
                    if(currheight == document.documentElement.clientHeight) {
                        return; //quite event since only body resized not window.
                    }
                    if (resize) {
                        clearTimeout(resize);
                    }
                    resize = setTimeout(function() {
                        handleResponsive();
                    }, 50); // wait 50ms until window resize finishes.
                    currheight = document.documentElement.clientHeight; // store last body client height
                });
            } else {
                $(window).resize(function() {
                    if (resize) {
                        clearTimeout(resize);
                    }
                    resize = setTimeout(function() {
                        //console.log('resize');
                        handleResponsive();
                    }, 50); // wait 50ms until window resize finishes.
                });
            }
        }

        //* BEGIN:CORE HANDLERS *//
        // this function handles responsive layout on screen size resize or mobile device rotate.

        var handleSidebarAndContentHeight = function () {
            var content = $('.page-content');
            var sidebar = $('.page-sidebar');
            var body = $('body');
            var height;

            if (body.hasClass("page-footer-fixed") === true && body.hasClass("page-sidebar-fixed") === false) {
                var available_height = $(window).height() - $('.footer').height();
                if (content.height() <  available_height) {
                    content.attr('style', 'min-height:' + available_height + 'px !important');
                }
            } else {
                if (body.hasClass('page-sidebar-fixed')) {
                    height = _calculateFixedSidebarViewportHeight();
                } else {
                    height = sidebar.height() + 20;
                }
                if (height >= content.height()) {
                    content.attr('style', 'min-height:' + height + 'px !important');
                }
            }
        }

        var handleSidebarMenu = function (idxMenuSwiper) {
            jQuery('.page-sidebar').on('click', 'li > a', function (e) {
                if ($(this).next().hasClass('sub-menu') == false) {
                    if ($('.btn-navbar').hasClass('collapsed') == false) {
                        $('.btn-navbar').click();
                    }
                    return;
                }

                var parent = $(this).parent().parent();

                parent.children('li.open').children('a').children('.arrow').removeClass('open');
                parent.children('li.open').children('.sub-menu').slideUp(200,function(){
                    idxMenuSwiper.resizeFix();
                });
                parent.children('li.open').removeClass('open');
                parent.children('li').children('.sub-menu').each(function(){
                	if($(this).is(":visible")){
	                	$(this).slideUp(200,function(){
		                	idxMenuSwiper.resizeFix();
		                });
	                }
                });

                var sub = jQuery(this).next();
                if (sub.is(":visible")) {
                    jQuery('.arrow', jQuery(this)).removeClass("open");
                    jQuery(this).parent().removeClass("open");
                    sub.slideUp(200, function () {
                        handleSidebarAndContentHeight();
                        idxMenuSwiper.resizeFix();
                    });
                } else {
                    jQuery('.arrow', jQuery(this)).addClass("open");
                    jQuery(this).parent().addClass("open");
                    sub.slideDown(200, function () {
                        handleSidebarAndContentHeight();
                        idxMenuSwiper.resizeFix();
                    });
                }
                e.preventDefault();
            });

            // handle ajax links
            jQuery('.page-sidebar').on('click', ' li > a.ajaxify', function (e) {
                e.preventDefault();
                App.scrollTop();

                var url = $(this).attr("href");
                var menuContainer = jQuery('.page-sidebar ul');
                var pageContent = $('.page-content');
                var pageContentBody = $('.page-content .page-content-body');

                menuContainer.children('li.active').removeClass('active');
                menuContainer.children('arrow.open').removeClass('open');

                $(this).parents('li').each(function () {
                    $(this).addClass('active');
                    $(this).children('a > span.arrow').addClass('open');
                });
                $(this).parents('li').addClass('active');

                App.blockUI(pageContent, false);

                $.post(url, {}, function (res) {
                    App.unblockUI(pageContent);
                    pageContentBody.html(res);
                    App.fixContentHeight(); // fix content height
                    App.initUniform(); // initialize uniform elements
                });
            });
        }

        var _calculateFixedSidebarViewportHeight = function () {
            var sidebarHeight = $(window).height() - $('.header').height() + 1;
            if ($('body').hasClass("page-footer-fixed")) {
                sidebarHeight = sidebarHeight - $('.footer').height();
            }

            return sidebarHeight;
        }

        var handleFixedSidebar = function () {
            var menu = $('.page-sidebar-menu');

            if (menu.parent('.slimScrollDiv').size() === 1) { // destroy existing instance before updating the height
                menu.slimScroll({
                    destroy: true
                });
                menu.removeAttr('style');
                $('.page-sidebar').removeAttr('style');
            }

            if ($('.page-sidebar-fixed').size() === 0) {
                handleSidebarAndContentHeight();
                return;
            }

            if ($(window).width() >= 980) {
                var sidebarHeight = _calculateFixedSidebarViewportHeight();

                menu.slimScroll({
                    size: '7px',
                    color: '#a1b2bd',
                    opacity: .3,
                    position: isRTL ? 'left' : ($('.page-sidebar-on-right').size() === 1 ? 'left' : 'right'),
                    height: sidebarHeight,
                    allowPageScroll: false,
                    disableFadeOut: false
                });
                handleSidebarAndContentHeight();
            }
        }

        var handleFixedSidebarHoverable = function () {
            if ($('body').hasClass('page-sidebar-fixed') === false) {
                return;
            }

            $('.page-sidebar').off('mouseenter').on('mouseenter', function () {
                var body = $('body');

                if ((body.hasClass('page-sidebar-closed') === false || body.hasClass('page-sidebar-fixed') === false) || $(this).hasClass('page-sidebar-hovering')) {
                    return;
                }

                body.removeClass('page-sidebar-closed').addClass('page-sidebar-hover-on');
                $(this).addClass('page-sidebar-hovering');
                $(this).animate({
                    width: sidebarWidth
                }, 400, '', function () {
                    $(this).removeClass('page-sidebar-hovering');
                });
            });

            $('.page-sidebar').off('mouseleave').on('mouseleave', function () {
                var body = $('body');

                if ((body.hasClass('page-sidebar-hover-on') === false || body.hasClass('page-sidebar-fixed') === false) || $(this).hasClass('page-sidebar-hovering')) {
                    return;
                }

                $(this).addClass('page-sidebar-hovering');
                $(this).animate({
                    width: sidebarCollapsedWidth
                }, 400, '', function () {
                    $('body').addClass('page-sidebar-closed').removeClass('page-sidebar-hover-on');
                    $(this).removeClass('page-sidebar-hovering');
                });
            });
        }

        var handleSidebarToggler = function () {
            // handle sidebar show/hide
            $('.page-sidebar').on('click', '.sidebar-toggler', function (e) {
                var body = $('body');
                var sidebar = $('.page-sidebar');

                if ((body.hasClass("page-sidebar-hover-on") && body.hasClass('page-sidebar-fixed')) || sidebar.hasClass('page-sidebar-hovering')) {
                    body.removeClass('page-sidebar-hover-on');
                    sidebar.css('width', '').hide().show();
                    e.stopPropagation();
                    runResponsiveHandlers();
                    return;
                }

                $(".sidebar-search", sidebar).removeClass("open");

                if (body.hasClass("page-sidebar-closed")) {
                    body.removeClass("page-sidebar-closed");
                    if (body.hasClass('page-sidebar-fixed')) {
                        sidebar.css('width', '');
                    }
                } else {
                    body.addClass("page-sidebar-closed");
                }
                runResponsiveHandlers();
            });

            // handle the search bar close
            $('.page-sidebar').on('click', '.sidebar-search .remove', function (e) {
                e.preventDefault();
                $('.sidebar-search').removeClass("open");
            });

            // handle the search query submit on enter press
            $('.page-sidebar').on('keypress', '.sidebar-search input', function (e) {
                if (e.which == 13) {
                    window.location.href = "extra_search.html";
                    return false; //<---- Add this line
                }
            });

            // handle the search submit
            $('.sidebar-search .submit').on('click', function (e) {
                e.preventDefault();

                if ($('body').hasClass("page-sidebar-closed")) {
                    if ($('.sidebar-search').hasClass('open') == false) {
                        if ($('.page-sidebar-fixed').size() === 1) {
                            $('.page-sidebar .sidebar-toggler').click(); //trigger sidebar toggle button
                        }
                        $('.sidebar-search').addClass("open");
                    } else {
                        window.location.href = "extra_search.html";
                    }
                } else {
                    window.location.href = "extra_search.html";
                }
            });
        }

        var handleHorizontalMenu = function () {
            //handle hor menu search form toggler click
            $('.header').on('click', '.hor-menu .hor-menu-search-form-toggler', function (e) {
                if ($(this).hasClass('hide')) {
                    $(this).removeClass('hide');
                    $('.header .hor-menu .search-form').hide();
                } else {
                    $(this).addClass('hide');
                    $('.header .hor-menu .search-form').show();
                }
                e.preventDefault();
            });

            //handle hor menu search button click
            $('.header').on('click', '.hor-menu .search-form .btn', function (e) {
                window.location.href = "extra_search.html";
                e.preventDefault();
            });

            //handle hor menu search form on enter press
            $('.header').on('keypress', '.hor-menu .search-form input', function (e) {
                if (e.which == 13) {
                    window.location.href = "extra_search.html";
                    return false;
                }
            });
        }

        var handleGoTop = function () {
            /* set variables locally for increased performance */
            jQuery('.footer').on('click', '.go-top', function (e) {
                App.scrollTo();
                e.preventDefault();
            });
        }

        var handlePortletTools = function () {
            jQuery('body').on('click', '.portlet .tools a.remove', function (e) {
                e.preventDefault();
                var removable = jQuery(this).parents(".portlet");
                if (removable.next().hasClass('portlet') || removable.prev().hasClass('portlet')) {
                    jQuery(this).parents(".portlet").remove();
                } else {
                    jQuery(this).parents(".portlet").parent().remove();
                }
            });

            jQuery('body').on('click', '.portlet .tools a.reload', function (e) {
                e.preventDefault();
                var el = jQuery(this).parents(".portlet");
                App.blockUI(el);
                window.setTimeout(function () {
                    App.unblockUI(el);
                }, 1000);
            });

            jQuery('body').on('click', '.portlet .tools .collapse, .portlet .tools .expand', function (e) {
                e.preventDefault();
                var el = jQuery(this).closest(".portlet").children(".portlet-body");
                if (jQuery(this).hasClass("collapse")) {
                    jQuery(this).removeClass("collapse").addClass("expand");
                    el.slideUp(200);
                } else {
                    jQuery(this).removeClass("expand").addClass("collapse");
                    el.slideDown(200);
                }
            });
        }

        var handleUniform = function () {
            if (!jQuery().uniform) {
                return;
            }
            var test = $("input[type=checkbox]:not(.toggle), input[type=radio]:not(.toggle, .star)");
            if (test.size() > 0) {
                test.each(function () {
                    if ($(this).parents(".checker").size() == 0) {
                        $(this).show();
                        $(this).uniform();
                    }
                });
            }
        }

        var handleAccordions = function () {
            //$(".accordion").collapse().height('auto');

            var lastClicked;

            //add scrollable class name if you need scrollable panes
            jQuery('body').on('click', '.accordion.scrollable .accordion-toggle', function () {
                lastClicked = jQuery(this);
            }); //move to faq section

            jQuery('body').on('shown', '.accordion.scrollable', function () {
                jQuery('html,body').animate({
                    scrollTop: lastClicked.offset().top - 150
                }, 'slow');
            });
        }

        var handleTabs = function () {

            // function to fix left/right tab contents
            var fixTabHeight = function(tab) {
                $(tab).each(function() {
                    var content = $($($(this).attr("href")));
                    var tab = $(this).parent().parent();
                    if (tab.height() > content.height()) {
                        content.css('min-height', tab.height());
                    }
                });
            }

            // fix tab content on tab shown
            $('body').on('shown', '.nav.nav-tabs.tabs-left a[data-toggle="tab"], .nav.nav-tabs.tabs-right a[data-toggle="tab"]', function(){
                fixTabHeight($(this));
            });

            $('body').on('shown', '.nav.nav-tabs', function(){
                handleSidebarAndContentHeight();
            });

            //fix tab contents for left/right tabs
            fixTabHeight('.nav.nav-tabs.tabs-left > li.active > a[data-toggle="tab"], .nav.nav-tabs.tabs-right > li.active > a[data-toggle="tab"]');

            //activate tab if tab id provided in the URL
            if(location.hash) {
                var tabid = location.hash.substr(1);
                $('a[href="#'+tabid+'"]').click();
            }
        }

        var handleScrollers = function () {
            $('.scroller').each(function () {
                $(this).slimScroll({
                    size: '7px',
                    color: '#a1b2bd',
                    position: isRTL ? 'left' : 'right',
                    height: $(this).attr("data-height"),
                    alwaysVisible: ($(this).attr("data-always-visible") == "1" ? true : false),
                    railVisible: ($(this).attr("data-rail-visible") == "1" ? true : false),
                    disableFadeOut: true
                });
            });
        }

        var handleTooltips = function () {
            if (treeMenu.isTouchDevice()) { // if touch device, some tooltips can be skipped in order to not conflict with click events
                //jQuery('.tooltips:not(.no-tooltip-on-touch-device)').tooltip();
            } else {
                //jQuery('.tooltips').tooltip();
            }
        }

        var handleDropdowns = function () {
            $('body').on('click', '.dropdown-menu.hold-on-click', function(e){
                e.stopPropagation();
            })
        }

        var handlePopovers = function () {
            //jQuery('.popovers').popover();
        }

        var handleChoosenSelect = function () {
            if (!jQuery().chosen) {
                return;
            }

            $(".chosen").each(function () {
                $(this).chosen({
                    allow_single_deselect: $(this).attr("data-with-diselect") === "1" ? true : false
                });
            });
        }

        var handleFancybox = function () {
            if (!jQuery.fancybox) {
                return;
            }

            if (jQuery(".fancybox-button").size() > 0) {
                jQuery(".fancybox-button").fancybox({
                    groupAttr: 'data-rel',
                    prevEffect: 'none',
                    nextEffect: 'none',
                    closeBtn: true,
                    helpers: {
                        title: {
                            type: 'inside'
                        }
                    }
                });
            }
        }

        var handleTheme = function () {

            var panel = $('.color-panel');

            if ($('body').hasClass('page-boxed') == false) {
                $('.layout-option', panel).val("fluid");
            }

            $('.sidebar-option', panel).val("default");
            $('.header-option', panel).val("fixed");
            $('.footer-option', panel).val("default");

            //handle theme layout
            var resetLayout = function () {
                $("body").
                removeClass("page-boxed").
                removeClass("page-footer-fixed").
                removeClass("page-sidebar-fixed").
                removeClass("page-header-fixed");

                $('.header > .navbar-inner > .container').removeClass("container").addClass("container-fluid");

                if ($('.page-container').parent(".container").size() === 1) {
                    $('.page-container').insertAfter('.header');
                }

                if ($('.footer > .container').size() === 1) {
                    $('.footer').html($('.footer > .container').html());
                } else if ($('.footer').parent(".container").size() === 1) {
                    $('.footer').insertAfter('.page-container');
                }

                $('body > .container').remove();
            }

            var lastSelectedLayout = '';

            var setLayout = function () {

                var layoutOption = $('.layout-option', panel).val();
                var sidebarOption = $('.sidebar-option', panel).val();
                var headerOption = $('.header-option', panel).val();
                var footerOption = $('.footer-option', panel).val();

                if (sidebarOption == "fixed" && headerOption == "default") {
                    alert('固定侧边栏选择默认的标题是不支持。继续用默认工具栏默认标题。');
                    $('.sidebar-option', panel).val("default");
                    sidebarOption = 'default';
                }

                resetLayout(); // reset layout to default state

                if (layoutOption === "boxed") {
                    $("body").addClass("page-boxed");

                    // set header
                    $('.header > .navbar-inner > .container-fluid').removeClass("container-fluid").addClass("container");
                    var cont = $('.header').after('<div class="container"></div>');

                    // set content
                    $('.page-container').appendTo('body > .container');

                    // set footer
                    if (footerOption === 'fixed' || sidebarOption === 'default') {
                        $('.footer').html('<div class="container">'+$('.footer').html()+'</div>');
                    } else {
                        $('.footer').appendTo('body > .container');
                    }
                }

                if (lastSelectedLayout != layoutOption) {
                    //layout changed, run responsive handler:
                    runResponsiveHandlers();
                }
                lastSelectedLayout = layoutOption;

                //header
                if (headerOption === 'fixed') {
                    $("body").addClass("page-header-fixed");
                    $(".header").removeClass("navbar-static-top").addClass("navbar-fixed-top");
                } else {
                    $("body").removeClass("page-header-fixed");
                    $(".header").removeClass("navbar-fixed-top").addClass("navbar-static-top");
                }

                //sidebar
                if (sidebarOption === 'fixed') {
                    $("body").addClass("page-sidebar-fixed");
                } else {
                    $("body").removeClass("page-sidebar-fixed");
                }

                //footer
                if (footerOption === 'fixed') {
                    $("body").addClass("page-footer-fixed");
                } else {
                    $("body").removeClass("page-footer-fixed");
                }

                handleSidebarAndContentHeight(); // fix content height
                handleFixedSidebar(); // reinitialize fixed sidebar
                handleFixedSidebarHoverable(); // reinitialize fixed sidebar hover effect
            }

            // handle theme colors
            var setColor = function (color) {
                $('#style_color').attr("href", "media/css/" + color + ".css");
                $.cookie('style_color', color);
            }

            $('.icon-color', panel).click(function () {
                $('.color-mode').show();
                $('.icon-color-close').show();
            });

            $('.icon-color-close', panel).click(function () {
                $('.color-mode').hide();
                $('.icon-color-close').hide();
            });

            $('li', panel).click(function () {
                var color = $(this).attr("data-style");
                setColor(color);
                $('.inline li', panel).removeClass("current");
                $(this).addClass("current");
            });

            $('.layout-option, .header-option, .sidebar-option, .footer-option', panel).change(setLayout);
        }

        var handleFixInputPlaceholderForIE = function () {
            //fix html5 placeholder attribute for ie7 & ie8
            if (isIE8 || isIE9) { // ie7&ie8
                // this is html5 placeholder fix for inputs, inputs with placeholder-no-fix class will be skipped(e.g: we need this for password fields)
                jQuery('input[placeholder]:not(.placeholder-no-fix), textarea[placeholder]:not(.placeholder-no-fix)').each(function () {

                    var input = jQuery(this);

                    if(input.val()=='' && input.attr("placeholder") != '') {
                        input.addClass("placeholder").val(input.attr('placeholder'));
                    }

                    input.focus(function () {
                        if (input.val() == input.attr('placeholder')) {
                            input.val('');
                        }
                    });

                    input.blur(function () {
                        if (input.val() == '' || input.val() == input.attr('placeholder')) {
                            input.val(input.attr('placeholder'));
                        }
                    });
                });
            }
        }

        //* END:CORE HANDLERS *//

        return {

            //main function to initiate template pages
            init: function (idxMenuSwiper) {

                //IMPORTANT!!!: Do not modify the core handlers call order.

                //core handlers
                handleInit();
                handleResponsiveOnResize(); // set and handle responsive
                handleUniform();
                handleScrollers(); // handles slim scrolling contents
                handleResponsiveOnInit(); // handler responsive elements on page load

                //layout handlers
                handleFixedSidebar(); // handles fixed sidebar menu
                handleFixedSidebarHoverable(); // handles fixed sidebar on hover effect
                handleSidebarMenu(idxMenuSwiper); // handles main menu
                handleHorizontalMenu(); // handles horizontal menu
                handleSidebarToggler(); // handles sidebar hide/show
                handleFixInputPlaceholderForIE(); // fixes/enables html5 placeholder attribute for IE9, IE8
                handleGoTop(); //handles scroll to top functionality in the footer
                handleTheme(); // handles style customer tool

                //ui component handlers
                handlePortletTools(); // handles portlet action bar functionality(refresh, configure, toggle, remove)
                handleDropdowns(); // handle dropdowns
                handleTabs(); // handle tabs
                handleTooltips(); // handle bootstrap tooltips
                handlePopovers(); // handles bootstrap popovers
                handleAccordions(); //handles accordions
                handleChoosenSelect(); // handles bootstrap chosen dropdowns

                treeMenu.addResponsiveHandler(handleChoosenSelect); // reinitiate chosen dropdown on main content resize. disable this line if you don't really use chosen dropdowns.
            },

            fixContentHeight: function () {
                handleSidebarAndContentHeight();
            },

            addResponsiveHandler: function (func) {
                responsiveHandlers.push(func);
            },

            // useful function to make equal height for contacts stand side by side
            setEqualHeight: function (els) {
                var tallestEl = 0;
                els = jQuery(els);
                els.each(function () {
                    var currentHeight = $(this).height();
                    if (currentHeight > tallestEl) {
                        tallestColumn = currentHeight;
                    }
                });
                els.height(tallestEl);
            },

            // wrapper function to scroll to an element
            scrollTo: function (el, offeset) {
                pos = el ? el.offset().top : 0;
                jQuery('html,body').animate({
                    scrollTop: pos + (offeset ? offeset : 0)
                }, 'slow');
            },

            scrollTop: function () {
                App.scrollTo();
            },

            // wrapper function to  block element(indicate loading)
            blockUI: function (el, centerY) {
                var el = jQuery(el);
                el.block({
                    message: '<img src="./media/image/ajax-loading.gif" align="">',
                    centerY: centerY != undefined ? centerY : true,
                    css: {
                        top: '10%',
                        border: 'none',
                        padding: '2px',
                        backgroundColor: 'none'
                    },
                    overlayCSS: {
                        backgroundColor: '#000',
                        opacity: 0.05,
                        cursor: 'wait'
                    }
                });
            },

            // wrapper function to  un-block element(finish loading)
            unblockUI: function (el) {
                jQuery(el).unblock({
                    onUnblock: function () {
                        jQuery(el).removeAttr("style");
                    }
                });
            },

            // initializes uniform elements
            initUniform: function (els) {

                if (els) {
                    jQuery(els).each(function () {
                        if ($(this).parents(".checker").size() == 0) {
                            $(this).show();
                            $(this).uniform();
                        }
                    });
                } else {
                    handleUniform();
                }

            },

            // initializes choosen dropdowns
            initChosenSelect: function (els) {
                $(els).chosen({
                    allow_single_deselect: true
                });
            },

            initFancybox: function () {
                handleFancybox();
            },

            getActualVal: function (el) {
                var el = jQuery(el);
                if (el.val() === el.attr("placeholder")) {
                    return "";
                }

                return el.val();
            },

            getURLParameter: function (paramName) {
                var searchString = window.location.search.substring(1),
                    i, val, params = searchString.split("&");

                for (i = 0; i < params.length; i++) {
                    val = params[i].split("=");
                    if (val[0] == paramName) {
                        return unescape(val[1]);
                    }
                }
                return null;
            },

            // check for device touch support
            isTouchDevice: function () {
                try {
                    document.createEvent("TouchEvent");
                    return true;
                } catch (e) {
                    return false;
                }
            },

            isIE8: function () {
                return isIE8;
            },

            isRTL: function () {
                return isRTL;
            },

            getLayoutColorCode: function (name) {
                if (layoutColorCodes[name]) {
                    return layoutColorCodes[name];
                } else {
                    return '';
                }
            }

        };

    }();
    //保存配置
    module.exports=treeMenu;
})